[pianotech] sluggish (was no subject)

[Ken & Pat Gerler]

Allan,
Yes, I forgot about that. I have noted a "squeak" and it turned out to be 
friction between the capstan screw and the whippen cushion.
Ken Gerler
----- Original Message ----- 
From: "Allan" <allan at sutton.net>
To: <pianotech at ptg.org>
Sent: Sunday, June 07, 2009 12:13 PM
Subject: Re: [pianotech] sluggish (was no subject)


>I respectfully submit that a little too much friction between the capstan
> screw and the whippen cushion is just enough to prevent proper return.
>
> Allan Sutton
> www.pianotechniquemontreal.com
>
> -----Original Message-----
> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On 
> Behalf
> Of pianoguru at cox.net
> Sent: 5 juin 2009 22:03
> To: pianotech at ptg.org
> Subject: Re: [pianotech] sluggish (was no subject)
>
> Nobody has mentioned what would be my prime suspect:  The balance pin
> hole in the bottom of the key being too tight.  You should be able to
> lift the key an eighth inch or so, and it fall freely.  If not, and the
> key bushing are not too tight, the balance pin hole in the bottom of the
> key needs to be reamed, mostly on the sides, being careful not to create
> a front-to-back chucking (pully) key.
>
> Frank Emerson
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